function __sign_hash_20200305(n) {
  function l(n, t) {
    var o = (65535 & n) + (65535 & t);
    return (n >> 16) + (t >> 16) + (o >> 16) << 16 | 65535 & o
  }

  function r(n, t, o, e, u, p) {
    return l((i = l(l(t, n), l(e, p))) << (r = u) | i >>> 32 - r, o);
    var i, r
  }

  function g(n, t, o, e, u, p, i) {
    return r(t & o | ~t & e, n, t, u, p, i)
  }

  function a(n, t, o, e, u, p, i) {
    return r(t & e | o & ~e, n, t, u, p, i)
  }

  function s(n, t, o, e, u, p, i) {
    return r(t ^ o ^ e, n, t, u, p, i)
  }

  function v(n, t, o, e, u, p, i) {
    return r(o ^ (t | ~e), n, t, u, p, i)
  }

  function t(n) {
    return function (n) {
      var t, o = "";
      for (t = 0; t < 32 * n.length; t += 8)
        o += String.fromCharCode(n[t >> 5] >>> t % 32 & 255);
      return o
    }(function (n, t) {
      n[t >> 5] |= 128 << t % 32,
        n[14 + (t + 64 >>> 9 << 4)] = t;
      var o, e, u, p, i, r = 1732584193,
        f = -271733879,
        h = -1732584194,
        c = 271733878;
      for (o = 0; o < n.length; o += 16)
        r = g(e = r, u = f, p = h, i = c, n[o], 7, -680876936),
        c = g(c, r, f, h, n[o + 1], 12, -389564586),
        h = g(h, c, r, f, n[o + 2], 17, 606105819),
        f = g(f, h, c, r, n[o + 3], 22, -1044525330),
        r = g(r, f, h, c, n[o + 4], 7, -176418897),
        c = g(c, r, f, h, n[o + 5], 12, 1200080426),
        h = g(h, c, r, f, n[o + 6], 17, -1473231341),
        f = g(f, h, c, r, n[o + 7], 22, -45705983),
        r = g(r, f, h, c, n[o + 8], 7, 1770035416),
        c = g(c, r, f, h, n[o + 9], 12, -1958414417),
        h = g(h, c, r, f, n[o + 10], 17, -42063),
        f = g(f, h, c, r, n[o + 11], 22, -1990404162),
        r = g(r, f, h, c, n[o + 12], 7, 1804603682),
        c = g(c, r, f, h, n[o + 13], 12, -40341101),
        h = g(h, c, r, f, n[o + 14], 17, -1502002290),
        r = a(r, f = g(f, h, c, r, n[o + 15], 22, 1236535329), h, c, n[o + 1], 5, -165796510),
        c = a(c, r, f, h, n[o + 6], 9, -1069501632),
        h = a(h, c, r, f, n[o + 11], 14, 643717713),
        f = a(f, h, c, r, n[o], 20, -373897302),
        r = a(r, f, h, c, n[o + 5], 5, -701558691),
        c = a(c, r, f, h, n[o + 10], 9, 38016083),
        h = a(h, c, r, f, n[o + 15], 14, -660478335),
        f = a(f, h, c, r, n[o + 4], 20, -405537848),
        r = a(r, f, h, c, n[o + 9], 5, 568446438),
        c = a(c, r, f, h, n[o + 14], 9, -1019803690),
        h = a(h, c, r, f, n[o + 3], 14, -187363961),
        f = a(f, h, c, r, n[o + 8], 20, 1163531501),
        r = a(r, f, h, c, n[o + 13], 5, -1444681467),
        c = a(c, r, f, h, n[o + 2], 9, -51403784),
        h = a(h, c, r, f, n[o + 7], 14, 1735328473),
        r = s(r, f = a(f, h, c, r, n[o + 12], 20, -1926607734), h, c, n[o + 5], 4, -378558),
        c = s(c, r, f, h, n[o + 8], 11, -2022574463),
        h = s(h, c, r, f, n[o + 11], 16, 1839030562),
        f = s(f, h, c, r, n[o + 14], 23, -35309556),
        r = s(r, f, h, c, n[o + 1], 4, -1530992060),
        c = s(c, r, f, h, n[o + 4], 11, 1272893353),
        h = s(h, c, r, f, n[o + 7], 16, -155497632),
        f = s(f, h, c, r, n[o + 10], 23, -1094730640),
        r = s(r, f, h, c, n[o + 13], 4, 681279174),
        c = s(c, r, f, h, n[o], 11, -358537222),
        h = s(h, c, r, f, n[o + 3], 16, -722521979),
        f = s(f, h, c, r, n[o + 6], 23, 76029189),
        r = s(r, f, h, c, n[o + 9], 4, -640364487),
        c = s(c, r, f, h, n[o + 12], 11, -421815835),
        h = s(h, c, r, f, n[o + 15], 16, 530742520),
        r = v(r, f = s(f, h, c, r, n[o + 2], 23, -995338651), h, c, n[o], 6, -198630844),
        c = v(c, r, f, h, n[o + 7], 10, 1126891415),
        h = v(h, c, r, f, n[o + 14], 15, -1416354905),
        f = v(f, h, c, r, n[o + 5], 21, -57434055),
        r = v(r, f, h, c, n[o + 12], 6, 1700485571),
        c = v(c, r, f, h, n[o + 3], 10, -1894986606),
        h = v(h, c, r, f, n[o + 10], 15, -1051523),
        f = v(f, h, c, r, n[o + 1], 21, -2054922799),
        r = v(r, f, h, c, n[o + 8], 6, 1873313359),
        c = v(c, r, f, h, n[o + 15], 10, -30611744),
        h = v(h, c, r, f, n[o + 6], 15, -1560198380),
        f = v(f, h, c, r, n[o + 13], 21, 1309151649),
        r = v(r, f, h, c, n[o + 4], 6, -145523070),
        c = v(c, r, f, h, n[o + 11], 10, -1120210379),
        h = v(h, c, r, f, n[o + 2], 15, 718787259),
        f = v(f, h, c, r, n[o + 9], 21, -343485551),
        r = l(r, e),
        f = l(f, u),
        h = l(h, p),
        c = l(c, i);
      return [r, f, h, c]
    }(function (n) {
      var t, o = [];
      for (o[(n.length >> 2) - 1] = void 0,
        t = 0; t < o.length; t += 1)
        o[t] = 0;
      for (t = 0; t < 8 * n.length; t += 8)
        o[t >> 5] |= (255 & n.charCodeAt(t / 8)) << t % 32;
      return o
    }(n), 8 * n.length))
  }

  function o(n) {
    return t(unescape(encodeURIComponent(n)))
  }
  return function (n) {
    var t, o, e = "0123456789abcdef",
      u = "";
    for (o = 0; o < n.length; o += 1)
      t = n.charCodeAt(o),
      u += e.charAt(t >>> 4 & 15) + e.charAt(15 & t);
    return u
  }(o(n))
}

function r(f, h, c, l, g) {
  g = g || [
    [this],
    [{}]
  ];
  for (var t = [], o = null, n = [function () {
      return !0
    }, function () {}, function () {
      g.length = c[h++]
    }, function () {
      g.push(c[h++])
    }, function () {
      g.pop()
    }, function () {
      var n = c[h++],
        t = g[g.length - 2 - n];
      g[g.length - 2 - n] = g.pop(),
        g.push(t)
    }, function () {
      g.push(g[g.length - 1])
    }, function () {
      g.push([g.pop(), g.pop()].reverse())
    }, function () {
      g.push([l, g.pop()])
    }, function () {
      g.push([g.pop()])
    }, function () {
      var n = g.pop();
      g.push(n[0][n[1]])
    }, function () {
      g.push(g[g.pop()[0]][0])
    }, function () {
      var n = g[g.length - 2];
      n[0][n[1]] = g[g.length - 1]
    }, function () {
      g[g[g.length - 2][0]][0] = g[g.length - 1]
    }, function () {
      var n = g.pop(),
        t = g.pop();
      g.push([t[0][t[1]], n])
    }, function () {
      var n = g.pop();
      g.push([g[g.pop()][0], n])
    }, function () {
      var n = g.pop();
      g.push(delete n[0][n[1]])
    }, function () {
      var n = [];
      for (var t in g.pop())
        n.push(t);
      g.push(n)
    }, function () {
      g[g.length - 1].length ? g.push(g[g.length - 1].shift(), !0) : g.push(void 0, !1)
    }, function () {
      var n = g[g.length - 2],
        t = Object.getOwnPropertyDescriptor(n[0], n[1]) || {
          configurable: !0,
          enumerable: !0
        };
      t.get = g[g.length - 1],
        Object.defineProperty(n[0], n[1], t)
    }, function () {
      var n = g[g.length - 2],
        t = Object.getOwnPropertyDescriptor(n[0], n[1]) || {
          configurable: !0,
          enumerable: !0
        };
      t.set = g[g.length - 1],
        Object.defineProperty(n[0], n[1], t)
    }, function () {
      h = c[h++]
    }, function () {
      var n = c[h++];
      g[g.length - 1] && (h = n)
    }, function () {
      throw g[g.length - 1]
    }, function () {
      var n = c[h++],
        t = n ? g.slice(-n) : [];
      g.length -= n,
        g.push(g.pop().apply(l, t))
    }, function () {
      var n = c[h++],
        t = n ? g.slice(-n) : [];
      g.length -= n;
      var o = g.pop();
      g.push(o[0][o[1]].apply(o[0], t))
    }, function () {
      var n = c[h++],
        t = n ? g.slice(-n) : [];
      g.length -= n,
        t.unshift(null),
        g.push(new(Function.prototype.bind.apply(g.pop(), t)))
    }, function () {
      var n = c[h++],
        t = n ? g.slice(-n) : [];
      g.length -= n,
        t.unshift(null);
      var o = g.pop();
      g.push(new(Function.prototype.bind.apply(o[0][o[1]], t)))
    }, function () {
      g.push(!g.pop())
    }, function () {
      g.push(~g.pop())
    }, function () {
      g.push(typeof g.pop())
    }, function () {
      g[g.length - 2] = g[g.length - 2] == g.pop()
    }, function () {
      g[g.length - 2] = g[g.length - 2] === g.pop()
    }, function () {
      g[g.length - 2] = g[g.length - 2] > g.pop()
    }, function () {
      g[g.length - 2] = g[g.length - 2] >= g.pop()
    }, function () {
      g[g.length - 2] = g[g.length - 2] << g.pop()
    }, function () {
      g[g.length - 2] = g[g.length - 2] >> g.pop()
    }, function () {
      g[g.length - 2] = g[g.length - 2] >>> g.pop()
    }, function () {
      g[g.length - 2] = g[g.length - 2] + g.pop()
    }, function () {
      g[g.length - 2] = g[g.length - 2] - g.pop()
    }, function () {
      g[g.length - 2] = g[g.length - 2] * g.pop()
    }, function () {
      g[g.length - 2] = g[g.length - 2] / g.pop()
    }, function () {
      g[g.length - 2] = g[g.length - 2] % g.pop()
    }, function () {
      g[g.length - 2] = g[g.length - 2] | g.pop()
    }, function () {
      g[g.length - 2] = g[g.length - 2] & g.pop()
    }, function () {
      g[g.length - 2] = g[g.length - 2] ^ g.pop()
    }, function () {
      g[g.length - 2] = g[g.length - 2] in g.pop()
    }, function () {
      g[g.length - 2] = g[g.length - 2] instanceof g.pop()
    }, function () {
      g[g[g.length - 1][0]] = void 0 === g[g[g.length - 1][0]] ? [] : g[g[g.length - 1][0]]
    }, function () {
      for (var e = c[h++], u = [], n = c[h++], t = c[h++], p = [], o = 0; o < n; o++)
        u[c[h++]] = g[c[h++]];
      for (var i = 0; i < t; i++)
        p[i] = c[h++];
      g.push(function n() {
        var t = u.slice(0);
        t[0] = [this],
          t[1] = [arguments],
          t[2] = [n];
        for (var o = 0; o < p.length && o < arguments.length; o++)
          0 < p[o] && (t[p[o]] = [arguments[o]]);
        return r(f, e, c, l, t)
      })
    }, function () {
      t.push([c[h++], g.length, c[h++]])
    }, function () {
      t.pop()
    }, function () {
      return !!o
    }, function () {
      o = null
    }, function () {
      g[g.length - 1] += String.fromCharCode(c[h++])
    }, function () {
      g.push("")
    }, function () {
      g.push(void 0)
    }, function () {
      g.push(null)
    }, function () {
      g.push(!0)
    }, function () {
      g.push(!1)
    }, function () {
      g.length -= c[h++]
    }, function () {
      g[g.length - 1] = c[h++]
    }, function () {
      var n = g.pop(),
        t = g[g.length - 1];
      t[0][t[1]] = g[n[0]][0]
    }, function () {
      var n = g.pop(),
        t = g[g.length - 1];
      t[0][t[1]] = n[0][n[1]]
    }, function () {
      var n = g.pop(),
        t = g[g.length - 1];
      g[t[0]][0] = g[n[0]][0]
    }, function () {
      var n = g.pop(),
        t = g[g.length - 1];
      g[t[0]][0] = n[0][n[1]]
    }, function () {
      g[g.length - 2] = g[g.length - 2] < g.pop()
    }, function () {
      g[g.length - 2] = g[g.length - 2] <= g.pop()
    }];;)
    try {
      for (; !n[c[h++]]();)
      ;
      if (o)
        throw o;
      return g.pop()
    } catch (n) {
      var e = t.pop();
      if (void 0 === e)
        throw n;
      o = n,
        h = e[0],
        g.length = e[1],
        e[2] && (g[e[2]][0] = o)
    }
}

async function getSecuritySign(data) {
  let str = 'abcdefghijklmnopqrstuvwxyz0123456789';
  let count = Math.floor(Math.random() * 7 + 10);
  let sign = 'zza';
  for (let i = 0; i < count; i++) {
    sign += str[Math.floor(Math.random() * 36)];
  }
  sign += __sign_hash_20200305('CJBPACrRuNy7' + data);
  return sign
}

module.exports = {
  getSecuritySign
}